OpenTechnical

OT-2026-000087847

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000087847) never changes.

Identity and time

Publication numberOT-2026-000087847 · never reused
Internal UUID01a0ae9b-1aa5-7254-8316-16d89a24032f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087847
StatusPUBLIC

Content hashes

Canonical text693b6caa607ff245adfc910c6be2878f55e83609b27a339ecfaecdfc5b3d2f89
Markdown0902bf8b3d12c61cd22d162325012385942eeba63cbc27265ffa6fd83523fa8c
PDF
Publication page17f99b4e08492258b717f1ed049dbcb24937810ca826f8b15c2208f569cad62f
Manifest6aa9ab9e5751a1104d819eefa4e25aee7263645aa7a03f570fa752c8633fe581

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureyrKZxwXrrdxXFRMntWD209D/U6vYzGmeJTYfbji+DnFb0hRfoKq6ntsPfXOhRnrsCDZ8HVLoBt/b5E0NZMvtAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:05.364957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087847
observed 17f99b4e08492258b717f1ed049dbcb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.344500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087847/manifest.json
observed 6aa9ab9e5751a1104d819eefa4e25aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.327546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087847/publication.md
observed 0902bf8b3d12c61cd22d162325012385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.309814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087847/publication.txt
observed 693b6caa607ff245adfc910c6be2878f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.